Now let's build a game. Biff needs to collect as many crystals. One complication... the grave yard is crawling with zombies! Avoid the zombies while collecting as many crystals as you can to win the game. But watch out! Touch a zombie and you will lose your health. However, kill a zomie and you score...
functions, simple messaging, simple events, advanced costume handling, simple sound playing, simple loops, basic math, visibility, graphic effects, delays,